644965793

素因数分解:

${\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 699009696

約数和(自身を除く): 54043903

約数列:

[1, 23, 41, 131, 227, 529, 943, 3013, 5221, 5371, 9307, 21689, 29737, 69299, 120083, 123533, 214061, 683951, 1219217, 2841259, 4923403, 15730873, 28041991, 644965793]

約数ペア:

[(1, 644965793), (23, 28041991), (41, 15730873), (131, 4923403), (227, 2841259), (529, 1219217), (943, 683951), (3013, 214061), (5221, 123533), (5371, 120083), (9307, 69299), (21689, 29737)]